A338776 - cp's OEIS frontend

A338776 a(n) = card(GB(2*n)), where GB(n) is the set of primes which are Goldbach-associated with n.

n	a(n)
0	0
1	0
2	0
3	1
4	1
5	1
6	1
7	1
8	1
9	2
10	1
11	2
12	3
13	2
14	1
15	3
16	1
17	2
18	3
19	2
20	2
21	3
22	2
23	2
24	4
25	2
26	2
27	4
28	2
29	3
30	5
31	2
32	3
33	4
34	1
35	4
36	5
37	3
38	3
39	5
40	3
41	4
42	7
43	3
44	3
45	8
46	3
47	4
48	6
49	3
50	5
51	7
52	3
53	4
54	6
55	4
56	5
57	8
58	4
59	5
60	11
61	4
62	4
63	10
64	3
65	6
66	8
67	4
68	4
69	6
70	6
71	5
72	9
73	5
74	4
75	11
76	3
77	6
78	9
79	4
80	6
81	8
82	4
83	5
84	11

[0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 1, 2, 3, 2, 1, 3, 1, 2, 3, 2, 2, 3, 2, 2, 4, 2, 2, 4, 2, 3, 5, 2, 3, 4, 1, 4, 5, 3, 3, 5, 3, 4, 7, 3, 3, 8, 3, 4, 6, 3, 5, 7, 3, 4, 6, 4, 5, 8, 4, 5, 11, 4, 4, 10, 3, 6, 8, 4, 4, 6, 6, 5, 9, 5, 4, 11, 3, 6, 9, 4, 6, 8, 4, 5, 11]

cp's OEIS Frontend

A338776 a(n) = card(GB(2*n)), where GB(n) is the set of primes which are Goldbach-associated with n.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	1
4	1
5	1
6	1
7	1
8	1
9	2
10	1
11	2
12	3
13	2
14	1
15	3
16	1
17	2
18	3
19	2
20	2
21	3
22	2
23	2
24	4
25	2
26	2
27	4
28	2
29	3
30	5
31	2
32	3
33	4
34	1
35	4
36	5
37	3
38	3
39	5
40	3
41	4
42	7
43	3
44	3
45	8
46	3
47	4
48	6
49	3
50	5
51	7
52	3
53	4
54	6
55	4
56	5
57	8
58	4
59	5
60	11
61	4
62	4
63	10
64	3
65	6
66	8
67	4
68	4
69	6
70	6
71	5
72	9
73	5
74	4
75	11
76	3
77	6
78	9
79	4
80	6
81	8
82	4
83	5
84	11

n	a(n)
0	0
1	0
2	0
3	1
4	1
5	1
6	1
7	1
8	1
9	2
10	1
11	2
12	3
13	2
14	1
15	3
16	1
17	2
18	3
19	2
20	2
21	3
22	2
23	2
24	4
25	2
26	2
27	4
28	2
29	3
30	5
31	2
32	3
33	4
34	1
35	4
36	5
37	3
38	3
39	5
40	3
41	4
42	7
43	3
44	3
45	8
46	3
47	4
48	6
49	3
50	5
51	7
52	3
53	4
54	6
55	4
56	5
57	8
58	4
59	5
60	11
61	4
62	4
63	10
64	3
65	6
66	8
67	4
68	4
69	6
70	6
71	5
72	9
73	5
74	4
75	11
76	3
77	6
78	9
79	4
80	6
81	8
82	4
83	5
84	11

n	a(n)
0	0
1	0
2	0
3	1
4	1
5	1
6	1
7	1
8	1
9	2
10	1
11	2
12	3
13	2
14	1
15	3
16	1
17	2
18	3
19	2
20	2
21	3
22	2
23	2
24	4
25	2
26	2
27	4
28	2
29	3
30	5
31	2
32	3
33	4
34	1
35	4
36	5
37	3
38	3
39	5
40	3
41	4
42	7
43	3
44	3
45	8
46	3
47	4
48	6
49	3
50	5
51	7
52	3
53	4
54	6
55	4
56	5
57	8
58	4
59	5
60	11
61	4
62	4
63	10
64	3
65	6
66	8
67	4
68	4
69	6
70	6
71	5
72	9
73	5
74	4
75	11
76	3
77	6
78	9
79	4
80	6
81	8
82	4
83	5
84	11